{
  "url": "https://openlegislation.uk/eu-regulation-2017-654/annex-VII/division-3/division-3.1",
  "json_url": "https://openlegislation.uk/eu-regulation-2017-654/annex-VII/division-3/division-3.1.json",
  "legislation": "eur/2017/654",
  "legislation_title": "Commission Delegated Regulation (EU) 2017/654 of 19 December 2016 supplementing Regulation (EU) 2016/1628 of the European Parliament and of the Council with regard to technical and general requirements relating to emission limits and type-approval for internal combustion engines for non-road mobile machinery",
  "legislation_url": "https://openlegislation.uk/eu-regulation-2017-654",
  "path": "annex/VII/division/3/division/3.1",
  "kind": "division",
  "number": "3.1",
  "heading": "Subscripts",
  "text": "Quantity\nabs\nAbsolute quantity\nact\nActual quantity\nair\nAir, dry\natmos\nAtmospheric\nbkgnd\nBackground\nC\nCarbon\ncal\nCalibration quantity\nCFV\nCritical flow venturi\ncor\nCorrected quantity\ndil\nDilution air\ndexh\nDiluted exhaust gas\ndry\nDry quantity\nexh\nRaw exhaust gas\nexp\nExpected quantity\neq\nEquivalent quantity\nfuel\nFuel\nInstantaneous measurement (e.g.: 1 Hz)\ni\nAn individual of a series\nidle\nCondition at idle\nin\nQuantity in\ninit\nInitial quantity, typically before an emission test\nmax\nMaximum (i.e. peak) value\nmeas\nMeasured quantity\nmin\nMinimum value\nmix\nMolar mass of air\nout\nQuantity out\npart\nPartial quantity\nPDP\nPositive displacement pump\nraw\nRaw exhaust\nref\nReference quantity\nrev\nRevolution\nsat\nSaturated condition\nslip\nPDP slip\nsmpl\nSampling\nspan\nSpan quantity\nSSV\nSubsonic venturi\nstd\nStandard quantity\ntest\nTest quantity\ntotal\nTotal quantity\nuncor\nUncorrected quantity\nvac\nVacuum quantity\nweight\nCalibration weight\nwet\nWet quantity\nzero\nZero quantity",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eur/2017/654/annex/VII/division/3/division/3.1",
    "retrieved_at": "2026-11-01T14:45:01.864924+00:00"
  },
  "licence": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives."
}